Bump (application) definition

(1) An impact (as from a collision)

"The bump threw him off the bicycle"

(2) Something that bulges out or is protuberant or projects from its surroundings

"The gun in his pocket made an obvious bulge"

"The hump of a camel"

"He stood on the rocky prominence"

"The occipital protuberance was well developed"

"The bony excrescence between its horns"

(3) A lump on the body caused by a blow

(4) Knock against with force or violence

"My car bumped into the tree"

(5) Remove or force from a position of dwelling previously occupied

"The new employee dislodged her by moving into her office space"

(6) Dance erotically or dance with the pelvis thrust forward

"Bump and grind"

(7) Assign to a lower position; reduce in rank

"She was demoted because she always speaks up"

"He was broken down to Sergeant"